public class School implements CompurerAverage{

    @Override
    public double average(double[] x) {
        int count = x.length;
        double aver = 0.0;
        for(int i = 0; i < count; i++)
        {
            aver += x[i];
        }

        aver = aver / (count - 1);
        return aver;
    }
}
